/Engine/Source/Runtime/Json/Public/Dom/JsonObject.h
Attempts to get the field with the specified name.
A pointer to the field, or nullptr if the field doesn't exist.
[TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FJsonValue](API\Runtime\Json\Dom\FJsonValue) > TryGetField ( const [FString](API\Runtime\Core\Containers\FString) & FieldName ) const